Władysław I of Masovia

Polish noble (1389–1455)

Parents

• Siemowit IV
• Alexandra of Lithuania

Children

• Siemowit VI of Masovia
• Władysław II of Masovia

Siblings

• Amelia of Masovia
• Euphemia of Masovia
• Siemowit V of Masovia
• Casimir II of Masovia
• Jadwiga of Masovia
• Catherine of Masovia
• Cymburgis of Masovia
• Trojden II of Płock
• Maria of Masovia
• Anna of Masovia
• Aleksander Mazowiecki

Partners

• Anna of Oleśnica